diff --git a/src/pystencilssfg/cmake/modules/PystencilsSfg.cmake b/src/pystencilssfg/cmake/modules/PystencilsSfg.cmake
index e58a8537ad8cbae2e13b2e72bb0f06933cc63217..27659789625dc1df93bb59bde5af6260bb46e7e1 100644
--- a/src/pystencilssfg/cmake/modules/PystencilsSfg.cmake
+++ b/src/pystencilssfg/cmake/modules/PystencilsSfg.cmake
@@ -54,7 +54,7 @@ function(pystencilssfg_generate_target_sources TARGET)
     endif()
 
     if(DEFINED _pssfg_CONFIG_MODULE)
-        cmake_path(ABSOLUTE_PATH PystencilsSfg_CONFIG_MODULE OUTPUT_VARIABLE config_module)
+        cmake_path(ABSOLUTE_PATH _pssfg_CONFIG_MODULE OUTPUT_VARIABLE config_module)
         list(APPEND generatorArgs "--sfg-config-module=${config_module}")
         list(APPEND _pssfg_DEPENDS ${config_module})
     else()